A double-barreled revolver has a frame, a trigger lever having a first end connected to the frame and movable between a forward rest position and a rearward actuated position, the trigger lever having a free end extending away from the frame and opposite the first end, a guard element forward of the trigger lever and having an upper end connected to the frame and a downwardly depending lower end, and the free end of the trigger lever being separated from the lower end of the guard element by a limited gap, such that the frame, trigger lever and guard element collectively define a protected trigger space. The gap may be less than 0.9 cm such that a user's finger may not enter the trigger space except from a lateral direction. The trigger lever may have an exposed actuation portion configured to be actuated by two fingers.

The multi-barrel split-breech rapid fire gun is a light-weight, electrically-driven rapid fire gun, radially loaded and fired, using only rotating parts. This eliminates inertia problems compared to a breech-loaded gun that requires a bolt to chamber a cartridge. The firing mechanism allows the cartridge to be enclosed in a split-breech for 50% one rotation of the barrel hub. The gun incorporates an independent firing pin for each barrel to allow for high firing rates. The gun is fed by a thin polyimide cartridge belt fan-folded in a detachable wet-magazine.

The multi-barrel split-breech rapid fire gun is a light-weight, electrically-driven rapid fire gun, radially loaded and fired, using only rotating parts. This eliminates inertia problems compared to a breech-loaded gun that requires a bolt to chamber a cartridge. The firing mechanism allows the cartridge to be enclosed in a split-breech for 50% one rotation of the barrel hub. The gun incorporates an independent firing pin for each barrel to allow for high firing rates. The gun is fed by a thin polyimide cartridge belt fan-folded in a detachable wet-magazine.

A firearm is provided comprising a frame which defines a forward aperture. A cylinder is mounted rotatably to the frame to rotate on a cylinder axis. The cylinder defines a plurality of passages each at a common radius from the axis, each passage includes a chamber and a rifled bore. At least one of the passages is being chambered for a different caliber than at least one other of the passages.

A weapon which has a modular design. The weapon is subdivided into weapon-specific modular assemblies which are designed as carrier units of the components. The modular assemblies include a weapon housing into which a breech system of the weapon and a striking mechanism is provided, a weapon cradle that connects with the weapon housing, and a weapon barrel module. The modular assemblies are connected to each other by rails and guides, by binders and holders, by pins, or by bolts and quick release fasteners.

A weapon which has a modular design. The weapon is subdivided into weapon-specific modular assemblies which are designed as carrier units of the components. The modular assemblies include a weapon housing into which a breech system of the weapon and a striking mechanism is provided, a weapon cradle that connects with the weapon housing, and a weapon barrel module. The modular assemblies are connected to each other by rails and guides, by binders and holders, by pins, or by bolts and quick release fasteners.

An auxiliary caliber weapon system that allows a conventional shotgun, such as a pump action shotgun or other firearm, including artillery weapons to be modified to fire ammunition rounds of a selectable caliber. The system includes a barrel assembly and to load an ammunition round within the shotgun or other firearm and a shotgun shell adapter of a selected auxiliary caliber is utilized. The shotgun includes a stock with grip a receiver and an internal magazine. The shotgun barrel is removed and the system's barrel assembly is attached to the shotgun, interfacing with the receiver. An ammunition round of a selected auxiliary caliber is inserted into the adapter, which is then placed into the magazine via a loading port. When the shotgun pump is actuated the adapter with the auxiliary caliber round is loaded from the magazine into the receiver, and is ready to be fired. After being fired, the pump is actuated again causing the adapter to be ejected out an ejection port and another adapter with an auxiliary caliber round to be loaded. For use with an artillery weapon, the adapter is scaled to a larger dimension to accommodate the larger size ammunition used but the functionality is the same.

An auxiliary caliber weapon system that allows a conventional shotgun, such as a pump action shotgun or other firearm, including artillery weapons to be modified to fire ammunition rounds of a selectable caliber. The system includes a barrel assembly and to load an ammunition round within the shotgun or other firearm and a shotgun shell adapter of a selected auxiliary caliber is utilized. The shotgun includes a stock with grip a receiver and an internal magazine. The shotgun barrel is removed and the system's barrel assembly is attached to the shotgun, interfacing with the receiver. An ammunition round of a selected auxiliary caliber is inserted into the adapter, which is then placed into the magazine via a loading port. When the shotgun pump is actuated the adapter with the auxiliary caliber round is loaded from the magazine into the receiver, and is ready to be fired. After being fired, the pump is actuated again causing the adapter to be ejected out an ejection port and another adapter with an auxiliary caliber round to be loaded. For use with an artillery weapon, the adapter is scaled to a larger dimension to accommodate the larger size ammunition used but the functionality is the same.

Embodiments of the invention include a firearm system and method of assembly of the firearm system including a receiver complex including a receiver coupled to a forward receiver. A feed port is positioned between the receiver and the forward receiver, and a striker coil assembly is positioned proximate the receiver, and includes a plurality of strikers each extending at least partially through a coil. An interchangeable barrel is coupled to the forward receiver forming a breech. In some embodiments, the firearm system includes a breech that includes a plurality of side-by-side bores of the barrel. Some embodiments include a magazine coupled to the receiver complex adjacent the feedport to simultaneously feed more than one dischargeable projectile into the feedport with a single charge block. In some embodiments, the charge block includes a plurality of chambers and a plurality of projectiles positioned within the plurality of chambers.

Embodiments of the invention include a firearm system and method of assembly of the firearm system including a receiver complex including a receiver coupled to a forward receiver. A feed port is positioned between the receiver and the forward receiver, and a striker coil assembly is positioned proximate the receiver, and includes a plurality of strikers each extending at least partially through a coil. An interchangeable barrel is coupled to the forward receiver forming a breech. In some embodiments, the firearm system includes a breech that includes a plurality of side-by-side bores of the barrel. Some embodiments include a magazine coupled to the receiver complex adjacent the feedport to simultaneously feed more than one dischargeable projectile into the feedport with a single charge block. In some embodiments, the charge block includes a plurality of chambers and a plurality of projectiles positioned within the plurality of chambers.